./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f4e3a4-cf04-454e-a7a7-208200f6deb7/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f4e3a4-cf04-454e-a7a7-208200f6deb7/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f4e3a4-cf04-454e-a7a7-208200f6deb7/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f4e3a4-cf04-454e-a7a7-208200f6deb7/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f4e3a4-cf04-454e-a7a7-208200f6deb7/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f4e3a4-cf04-454e-a7a7-208200f6deb7/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 27783f29349ebae8401558a8bc17fafd87092d54a86e2af0abb3d67f703ff6c0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:12:28,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:12:28,485 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f4e3a4-cf04-454e-a7a7-208200f6deb7/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-12-02 17:12:28,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:12:28,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:12:28,519 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:12:28,520 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:12:28,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:12:28,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:12:28,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:12:28,522 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:12:28,523 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:12:28,523 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:12:28,524 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:12:28,524 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:12:28,525 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:12:28,526 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:12:28,526 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:12:28,527 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:12:28,527 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:12:28,528 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:12:28,529 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:12:28,529 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:12:28,530 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:12:28,530 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:12:28,531 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:12:28,531 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:12:28,532 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:12:28,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:12:28,533 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:12:28,533 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:12:28,534 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 17:12:28,534 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 17:12:28,535 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:12:28,535 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:12:28,535 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:12:28,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:12:28,536 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:12:28,536 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:12:28,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:12:28,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:12:28,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:12:28,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:12:28,538 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:12:28,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:12:28,538 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:12:28,538 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:12:28,539 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:12:28,539 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:12:28,539 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f4e3a4-cf04-454e-a7a7-208200f6deb7/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f4e3a4-cf04-454e-a7a7-208200f6deb7/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27783f29349ebae8401558a8bc17fafd87092d54a86e2af0abb3d67f703ff6c0 [2023-12-02 17:12:28,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:12:28,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:12:28,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:12:28,853 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:12:28,854 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:12:28,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f4e3a4-cf04-454e-a7a7-208200f6deb7/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c [2023-12-02 17:12:31,832 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:12:32,069 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:12:32,070 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f4e3a4-cf04-454e-a7a7-208200f6deb7/sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c [2023-12-02 17:12:32,079 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f4e3a4-cf04-454e-a7a7-208200f6deb7/bin/utaipan-verify-nQ1chXbOIh/data/c5a8c31fd/38b7209109b041d9a45453626a3c3b0e/FLAG5e0c7cede [2023-12-02 17:12:32,094 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f4e3a4-cf04-454e-a7a7-208200f6deb7/bin/utaipan-verify-nQ1chXbOIh/data/c5a8c31fd/38b7209109b041d9a45453626a3c3b0e [2023-12-02 17:12:32,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:12:32,098 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:12:32,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:12:32,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:12:32,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:12:32,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:12:32" (1/1) ... [2023-12-02 17:12:32,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f049953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:32, skipping insertion in model container [2023-12-02 17:12:32,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:12:32" (1/1) ... [2023-12-02 17:12:32,140 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:12:32,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:12:32,363 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:12:32,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:12:32,413 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:12:32,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:32 WrapperNode [2023-12-02 17:12:32,414 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:12:32,415 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:12:32,416 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:12:32,416 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:12:32,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:32" (1/1) ... [2023-12-02 17:12:32,437 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:32" (1/1) ... [2023-12-02 17:12:32,463 INFO L138 Inliner]: procedures = 17, calls = 85, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 83 [2023-12-02 17:12:32,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:12:32,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:12:32,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:12:32,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:12:32,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:32" (1/1) ... [2023-12-02 17:12:32,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:32" (1/1) ... [2023-12-02 17:12:32,481 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:32" (1/1) ... [2023-12-02 17:12:32,482 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:32" (1/1) ... [2023-12-02 17:12:32,491 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:32" (1/1) ... [2023-12-02 17:12:32,495 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:32" (1/1) ... [2023-12-02 17:12:32,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:32" (1/1) ... [2023-12-02 17:12:32,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:32" (1/1) ... [2023-12-02 17:12:32,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:12:32,504 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:12:32,504 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:12:32,505 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:12:32,506 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:32" (1/1) ... [2023-12-02 17:12:32,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:12:32,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f4e3a4-cf04-454e-a7a7-208200f6deb7/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:12:32,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f4e3a4-cf04-454e-a7a7-208200f6deb7/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:12:32,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f4e3a4-cf04-454e-a7a7-208200f6deb7/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:12:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:12:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 17:12:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_41_to_51_0 [2023-12-02 17:12:32,588 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_41_to_51_0 [2023-12-02 17:12:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 17:12:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_31_to_38_0 [2023-12-02 17:12:32,589 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_31_to_38_0 [2023-12-02 17:12:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 17:12:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:12:32,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:12:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 17:12:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 17:12:32,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 17:12:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 17:12:32,714 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:12:32,717 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:12:33,016 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:12:33,098 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:12:33,099 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 17:12:33,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:12:33 BoogieIcfgContainer [2023-12-02 17:12:33,101 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:12:33,105 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:12:33,106 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:12:33,110 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:12:33,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:12:32" (1/3) ... [2023-12-02 17:12:33,111 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e1bf06e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:12:33, skipping insertion in model container [2023-12-02 17:12:33,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:32" (2/3) ... [2023-12-02 17:12:33,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e1bf06e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:12:33, skipping insertion in model container [2023-12-02 17:12:33,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:12:33" (3/3) ... [2023-12-02 17:12:33,114 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_hard-u.c [2023-12-02 17:12:33,139 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:12:33,139 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-12-02 17:12:33,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e1bf06e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:12:33, skipping insertion in model container [2023-12-02 17:12:33,141 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 17:12:33,142 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 17:12:33,142 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 17:12:33,142 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 17:12:33,143 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:12:33" (3/3) ... [2023-12-02 17:12:33,145 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 17:12:33,149 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_31_to_38_0 [2023-12-02 17:12:33,150 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-02 17:12:33,150 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_41_to_51_0 [2023-12-02 17:12:33,157 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2023-12-02 17:12:33,157 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-12-02 17:12:33,158 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-02 17:12:33,159 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 17:12:33,287 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f4e3a4-cf04-454e-a7a7-208200f6deb7/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 17:12:33,288 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f4e3a4-cf04-454e-a7a7-208200f6deb7/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 17:12:33,288 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 17:12:33,290 INFO L158 Benchmark]: Toolchain (without parser) took 1191.58ms. Allocated memory is still 155.2MB. Free memory was 121.1MB in the beginning and 73.4MB in the end (delta: 47.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-12-02 17:12:33,291 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 155.2MB. Free memory is still 123.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:12:33,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.45ms. Allocated memory is still 155.2MB. Free memory was 121.1MB in the beginning and 109.6MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 17:12:33,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.52ms. Allocated memory is still 155.2MB. Free memory was 109.6MB in the beginning and 108.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 17:12:33,293 INFO L158 Benchmark]: Boogie Preprocessor took 38.58ms. Allocated memory is still 155.2MB. Free memory was 108.0MB in the beginning and 106.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:12:33,293 INFO L158 Benchmark]: RCFGBuilder took 597.21ms. Allocated memory is still 155.2MB. Free memory was 106.5MB in the beginning and 82.4MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-02 17:12:33,294 INFO L158 Benchmark]: TraceAbstraction took 35.33ms. Allocated memory is still 155.2MB. Free memory was 81.8MB in the beginning and 79.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 17:12:33,294 INFO L158 Benchmark]: Witness Printer took 146.76ms. Allocated memory is still 155.2MB. Free memory was 79.4MB in the beginning and 73.4MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 17:12:33,297 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 155.2MB. Free memory is still 123.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.45ms. Allocated memory is still 155.2MB. Free memory was 121.1MB in the beginning and 109.6MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.52ms. Allocated memory is still 155.2MB. Free memory was 109.6MB in the beginning and 108.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.58ms. Allocated memory is still 155.2MB. Free memory was 108.0MB in the beginning and 106.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 597.21ms. Allocated memory is still 155.2MB. Free memory was 106.5MB in the beginning and 82.4MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 35.33ms. Allocated memory is still 155.2MB. Free memory was 81.8MB in the beginning and 79.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 146.76ms. Allocated memory is still 155.2MB. Free memory was 79.4MB in the beginning and 73.4MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-12-02 17:12:33,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f4e3a4-cf04-454e-a7a7-208200f6deb7/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE